World Records Academy: “The Purdue Society of Professional Engineers team smashed its own world record for largest Rube Goldberg machine with a 300-step behemoth that flawlessly accomplished the simple task of blowing up and popping a balloon – setting the new world record for the Largest functional Rube Goldberg machine.”

A consumer advocacy group commissioned the tests in which British microbiologist James Francis took a swab to 33 keyboards, a toilet seat and a toilet door handle at the publication’s London office in January.

Two retired Croatians have invented and patented a card that protects people from cell phone radition, which potentially could be used millions of people around the world, reports daily newspaper 24sata.